Flora of North America species comparison

20–90 cm, 1.5–3 mm wide basally, 0.9–1.1 mm wide distally.

to 25–60(–100) cm, smooth.

sheaths tight, green, fronts hyaline, yellowish and thickened at mouth;

ligules to 3 mm, as long as wide;

widest leaf blades 2.5–4.5 mm wide, sometimes papillose adaxially.

2–6 mm wide.

with (3–)5–10 spikes, 1.5–3.5 cm × 8–15 mm;

proximal internodes equaling or shorter than proximal spikes;

proximal bracts 1–5 cm;

spikes with 8–20 ascending or spreading perigynia.

proximal bracts shorter than or exceeding inflorescences;

spikes oblong or clavate, 10–25 × 6–8 mm;

proximal spikes separate, usually pendent, often long-pendunculate;

distal ones overlapping, erect, contiguous, short-pendunculate;

lateral 3–5 spikes pistillate;

terminal spike gynecandrous, 1/4 or less staminate.

pale green, pale yellow, or pale brown, 9–15-veined abaxially, 3.5–5 × 2.2–3 mm, margins serrulate distally;

beak 0.8–1.2 mm, apical teeth 0.4–0.6 mm.

ascending, light to dark brown with light brown margins, veinless, obovate or circular, 3.5–4 × 2–3 mm, apex abruptly beaked, smooth;

beak 0.3–0.5 mm, shallowly or deeply bidentate, smooth.

suborbiculate, 1.9–2.5 × 1.5–2 mm.

filling proximal 1/2 or less of perigynia.

scales hyaline or brown with green, 3-veined center, ovate, (2.4–)3–4.3 × (1–)1.6–3 mm, body slightly shorter to longer than perigynium and as wide, apex awned to 1.5–3.5(–4) mm.

scales light to dark brown, margins hyaline, lanceolate, typically equaling or longer, sometimes shorter and narrower than perigynia, midvein dark, same color as body, inconspicuous, frequently raised, prominent, apex acute to short-mucronate.

2.2–2.5 mm.